n = 6

All subjects together

## `summarise()` has grouped output by 'segment', 'valid', 'within_trial_TR'.
## You can override using the `.groups` argument.`summarise()` has grouped
## output by 'sub', 'segment', 'valid'. You can override using the `.groups`
## argument.`summarise()` has grouped output by 'segment', 'valid'. You can
## override using the `.groups` argument.

sub-09 + pair2_north and sub-10 + pair3_west

## `summarise()` has grouped output by 'segment', 'valid', 'within_trial_TR'.
## You can override using the `.groups` argument.`summarise()` has grouped
## output by 'sub', 'segment', 'valid'. You can override using the `.groups`
## argument.`summarise()` has grouped output by 'segment', 'valid'. You can
## override using the `.groups` argument.

everyone else

## `summarise()` has grouped output by 'segment', 'valid', 'within_trial_TR'.
## You can override using the `.groups` argument.`summarise()` has grouped
## output by 'sub', 'segment', 'valid'. You can override using the `.groups`
## argument.`summarise()` has grouped output by 'segment', 'valid'. You can
## override using the `.groups` argument.

each pair of routes

pair1 east:

## `summarise()` has grouped output by 'segment', 'valid', 'within_trial_TR'.
## You can override using the `.groups` argument.`summarise()` has grouped
## output by 'sub', 'segment', 'valid'. You can override using the `.groups`
## argument.`summarise()` has grouped output by 'segment', 'valid'. You can
## override using the `.groups` argument.

pair3 west:

## `summarise()` has grouped output by 'segment', 'valid', 'within_trial_TR'.
## You can override using the `.groups` argument.`summarise()` has grouped
## output by 'sub', 'segment', 'valid'. You can override using the `.groups`
## argument.`summarise()` has grouped output by 'segment', 'valid'. You can
## override using the `.groups` argument.

pair2 north:

## `summarise()` has grouped output by 'segment', 'valid', 'within_trial_TR'.
## You can override using the `.groups` argument.`summarise()` has grouped
## output by 'sub', 'segment', 'valid'. You can override using the `.groups`
## argument.`summarise()` has grouped output by 'segment', 'valid'. You can
## override using the `.groups` argument.

pair4 south

## `summarise()` has grouped output by 'segment', 'valid', 'within_trial_TR'.
## You can override using the `.groups` argument.`summarise()` has grouped
## output by 'sub', 'segment', 'valid'. You can override using the `.groups`
## argument.`summarise()` has grouped output by 'segment', 'valid'. You can
## override using the `.groups` argument.